delete_firewall_alias

Delete a firewall alias.

SERVERProxmox MCP Server SOURCEgethosthewalrus/proxmox-mcp

Critical RISK CLASS

Category Destructive

Parameters 00 required

Recommended Hiddensee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/gethosthewalrus-proxmox-mcp/delete-firewall-alias.md

WHAT IT DOES

What delete_firewall_alias does on Proxmox MCP Server

AI agents call delete_firewall_alias to permanently remove resources in Proxmox MCP Server, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

RISK

Why delete_firewall_alias is rated Critical

Deletion of firewall aliases is irreversible and could disrupt network security policies if removed in error. This is a destructive action that cannot be undone without manual recreation. The high severity reflects that firewall misconfigurations affect infrastructure-wide network access and security posture. The blast radius is significant in a Proxmox environment managing multiple VMs and containers.

From the tool's definition Tool name 'delete_firewall_alias' and description 'Delete a firewall alias' explicitly indicate irreversible deletion of firewall configuration data.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs delete_firewall_alias safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Proxmox MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For delete_firewall_alias, this is the rule to start with:

delete_firewall_alias Hidden

delete_firewall_alias is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "delete_firewall_alias"
  ]
}

RESTRICT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Proxmox MCP Server, apply this rule, and every delete_firewall_alias call is checked against it from then on.

FAQ

Questions about delete_firewall_alias

What does the delete_firewall_alias tool do? +

Delete a firewall alias. It is categorised as a Destructive tool in the Proxmox MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on delete_firewall_alias? +

Register the Proxmox MCP Server MCP server in PolicyLayer and add a rule for delete_firewall_alias: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Proxmox MCP Server. Nothing to install.

What risk level is delete_firewall_alias? +

delete_firewall_alias is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit delete_firewall_alias? +

Yes. Add a rate_limit block to the delete_firewall_alias rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block delete_firewall_alias completely? +

Set action: deny in the PolicyLayer policy for delete_firewall_alias. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides delete_firewall_alias? +

delete_firewall_alias is provided by the Proxmox MCP Server MCP server (gethosthewalrus/proxmox-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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